<template>
  <div id="app">
    <!-- 显示一级路由 -->
    <router-view></router-view>
  </div>
</template>

<script>


export default {
  name: 'App',
  data() {
    return{
      msg:0
    }
  },
  methods:{
    aa() {
      console.log(this.msg+1);
    }
  }
}
</script>

<style lang="less">

</style>
